{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["RNA", "protein", "DNA", "cell line", "cell type"], "input": "We describe the isolation and characterization of multiple cDNAs encoding mouse Oct2 from a mature B-cell line and we show that a variety of isoforms of this transcription factor is generated from a single gene by an alternative splicing mechanism ."}
{"RNA": [], "protein": ["mouse Oct2", "transcription factor"], "DNA": ["multiple cDNAs"], "cell line": ["mature B-cell line"], "cell type": []}